<template>
    <div class="chooser-component">
        <ul class="chooser-list">
            <li v-for="(item, index) in selections" :title="item.label" @click="chooseSelection(index)" :class="{active: index===nowIndex}">{{item.label}}</li>
        </ul>
    </div>
</template>

<script>
export default {
    props:{
        selections:{
            type:Array,
            default:[{
                label:'test',
                value:0
            }]
        }
    },
    data(){
        return {
        nowIndex:0
        }
    },
    methods:{
        chooseSelection(index){
            this.nowIndex = index
            this.$emit('on-change',this.selections[index])
        }
    }
};
</script>

<style scoped>
.chooser-component {
  position: relative;
  display: inline-block;
}
.chooser-list li{
  display: inline-block;
  border: 1px solid #e3e3e3;
  height: 25px;
  line-height: 25px;
  padding: 0 8px;
  margin-right: 5px;
  border-radius: 3px;
  text-align: center;
  cursor: pointer;
}
.chooser-list li.active {
  border-color: #4fc08d;
  background: #4fc08d;
  color: #fff;
}

    
</style>